Product description Size Name:1/2" * 1-1/8" Introduction: Cutters are sharp enough, to slice smoothly into stock producing clean, splinter free. Our bits are the preferred choice of professionals and hobbyists alike, simple construction and easy to opperate. The cut is very clean and everything fit together perfect. Suitable for wood, board ,plank,pvc,plywood,joint wood. Use for wooden door frames, wooden window frames, Skirting Lines,Armrest Handle Lace,ceiling lace. Specifications: Body Material: Solid hardened steel Blade Material: Carbide tipped Color: Yellow + Silver Shank Size:1/2"(6.35mm) Cutting diameter: Please see the photos Overall length: Please see the photos Please note: Tongue and Groove Set is suitable for woods, mdf, particle board, plywood compact panel. Please avoid cutting ferrous metal and non wood materials, such as: Steel, iron, sand, etc. Safety instructions: 1.The bladed product is not use for people under 18 years. 2.Please wear goggles and use ear protection equipment when working. 3.Avoid getting your body or clothes close to the tool when using.